On Thu 03 Nov 2022 at 17:27:17 (+0100), to...@tuxteam.de wrote: > Nice stories :) I did theoretical physics, but of course, our > faculty was chock full of crazy and interesting folks doing stuff > like you described above. Searching for leaks in the apparatus > consisted of... pumping it full of helium and sniffing for it > with a sensor :-)
… whereas we did the opposite: searching for inward leaks through joint seals, we used the spray test, squirting a tiny jet of He at suspect points and detecting any He being pumped out. As expected, we never saw He entering through the stainless steel or its welds. Cheers, David.
